Vigil@nce - Libreswan: denial of service via IKEv2 aes_xcbc
June 2016 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send a malicious IKEv2 aes_xcbc packet to
Libreswan, in order to trigger a denial of service.
– Impacted products: Fedora.
– Severity: 2/4.
– Creation date: 13/04/2016.
DESCRIPTION OF THE VULNERABILITY
The Libreswan product has a service to manage received IKEv2
aes_xcbc packets.
However, when a malicious packet is received, a fatal error occurs.
An attacker can therefore send a malicious IKEv2 aes_xcbc packet
to Libreswan, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Libreswan-denial-of-service-via-IKEv2-aes-xcbc-19365